Honeywell ST9400C 7 Day Two Channel Programmer User Guide

Honeywell ST9400C is a 7-day programmable thermostat that allows you to set different heating and hot water schedules for each day of the week. It features an easy-to-use interface with a backlit LCD display. To start using the ST9400C, simply set the date and time, which will automatically adjust for Daylight Saving Time. Then, you can choose from a variety of pre-programmed schedules or create your own custom schedule. The ST9400C also has a number of energy-saving features, such as the ability to automatically turn off the heating when you're not home. With its combination of features and ease of use, the Honeywell ST9400C is a great choice for anyone looking to save money on their energy bills.

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Honeywell ST9400C 7 Day Two Channel Programmer User Guide | Manualzz

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Key features

  • 7-day programming allows you to set different heating and hot water schedules for each day of the week
  • Backlit LCD display makes it easy to read, even in the dark
  • Easy-to-use interface with intuitive controls
  • Automatic Daylight Saving Time adjustment
  • Energy-saving features, such as the ability to automatically turn off the heating when you're not home
  • Built-in memory retains your programming even in the event of a power outage

Frequently asked questions

To set the date and time, press the 'Day/Time' button. Then, use the arrow keys to adjust the day, month, year, hour, and minute. Press the 'OK' button to save your settings.

To create a custom heating schedule, press the 'Heating' button. Then, use the arrow keys to select the day of the week that you want to program. Next, use the 'On' and 'Off' buttons to set the start and stop times for each heating period. Press the 'OK' button to save your settings.

To turn off the heating when you're not home, press the 'Override' button. Then, use the arrow keys to select the 'Off' setting. Press the 'OK' button to save your settings.
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